How many valence electrons are present in K2S?
Understand the Problem
The question is asking for the total number of valence electrons present in the compound potassium sulfide (K2S). To solve it, we need to determine the valence electrons from each potassium and sulfur atom. Potassium has 1 valence electron and sulfur has 6, leading to a calculation of 2 potassium atoms and 1 sulfur atom for the total.
Answer
8 valence electrons
The final answer is 8 valence electrons.
Answer for screen readers
The final answer is 8 valence electrons.
More Information
K2S, or potassium sulfide, is an ionic compound. Each potassium atom contributes 1 valence electron, and the sulfur atom contributes 6 valence electrons, making a total of 8 valence electrons.
Tips
A common mistake might be forgetting that K2S is an ionic compound, where electrons are transferred, not shared.
Sources
- What is the K2S Lewis Structure - guidechem.com
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